Quration Palate

wine

Swirl a glass and droplets run down the sides — 'legs' or 'tears'.

Contrary to old belief, what do they really indicate?

Alcohol (and sugar) content, via surface tension
Legs form from the Marangoni effect — evaporating alcohol changes surface tension. They hint at alcohol/sugar, not age or quality.
▶ Quration Palate

wine

Where does red wine actually get its color?What is 'tannin' best described as?It must come from where?Which is it?What is 'decanting' mainly for?What does the French word 'terroir' capture?Which principle is it?What is it?Most full-bodied reds show best at roughly what temperature?What does 'vintage' mean?What's the reason?

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